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Question 23 Ge is a tangent to circle D at point E. GF is tangent to circle D at point F.

Question 23 Ge is a tangent to circle D at point E. GF is tangent to circle D at point-example-1

1 Answer

12 votes

Answer:

5.2

Explanation:

Connect G and D

In ΔGDE, angle ∠GED = 148/2 = 74°

Radius DE = 18/tan(74) = 5.2

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